| Horsepower/watt problem?

Horsepower/watt problem?

Katie E asked:


A small air compressor operates a 1.1 hp electric motor for 5.6 hours a day. How much energy is consumed by the motor daily? 1 hp = 750 watts. Answer in Joules.

This is what I did…
1.1hp= 825 watts
5.6 hours = 20160s

20160/825=24.4J

is that right?

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Comments

2 Responses to “Horsepower/watt problem?”

  1. Sid B on March 18th, 2009 6:13 pm

    I Hp is 746 watts

  2. itsme on March 19th, 2009 10:51 pm

    1HP = 746 watts